Apply clinic lab workflow feedback

lib/core/services/pricing_service.dart

@@ -27,14 +27,47 @@ class PricingService {
   int billableUnitsForType(ProstheticType type, int memberCount) {
     final safeCount = memberCount <= 0 ? 1 : memberCount;
     return switch (type) {
-      ProstheticType.tamProtez || ProstheticType.parsiyel => 1,
+      ProstheticType.hareketli ||
+      ProstheticType.tamProtez ||
+      ProstheticType.parsiyel =>
+        1,
       _ => safeCount,
     };
   }
 
+  int billableUnitsForTeeth(ProstheticType type, Iterable<int> teeth) {
+    final selected = teeth.toSet();
+    if (selected.isEmpty) return billableUnitsForType(type, 0);
+    if (type.family == ProstheticFamily.hareketli) return 1;
+
+    final upper = {
+      for (int i = 11; i <= 18; i++) i,
+      for (int i = 21; i <= 28; i++) i,
+    };
+    final lower = {
+      for (int i = 31; i <= 38; i++) i,
+      for (int i = 41; i <= 48; i++) i,
+    };
+
+    var units = 0;
+    final remaining = Set<int>.from(selected);
+    if (upper.every(selected.contains)) {
+      units += 1;
+      remaining.removeAll(upper);
+    }
+    if (lower.every(selected.contains)) {
+      units += 1;
+      remaining.removeAll(lower);
+    }
+    return units + remaining.length;
+  }
+
   String unitLabelForType(ProstheticType type) {
     return switch (type) {
-      ProstheticType.tamProtez || ProstheticType.parsiyel => 'vaka',
+      ProstheticType.hareketli ||
+      ProstheticType.tamProtez ||
+      ProstheticType.parsiyel =>
+        'vaka',
       _ => 'diş',
     };
   }
@@ -45,14 +78,18 @@ class PricingService {
     required int memberCount,
     required String clinicTenantId,
     required List<ClinicDiscount> discounts,
+    Iterable<int>? teeth,
   }) {
-    final billableUnits = billableUnitsForType(prostheticType, memberCount);
+    final billableUnits = teeth == null
+        ? billableUnitsForType(prostheticType, memberCount)
+        : billableUnitsForTeeth(prostheticType, teeth);
     final unitPrice = product.unitPrice ?? 0;
     final baseAmount = unitPrice * billableUnits;
 
     final applicable = discounts.where((discount) {
       if (!discount.isActive) return false;
-      if (!(discount.appliesToAll || discount.clinicTenantId == clinicTenantId)) {
+      if (!(discount.appliesToAll ||
+          discount.clinicTenantId == clinicTenantId)) {
         return false;
       }
       if (!(discount.appliesToAllTypes ||
@@ -77,9 +114,8 @@ class PricingService {
       billableUnits: billableUnits,
       unitPrice: unitPrice,
       baseAmount: baseAmount,
-      discountAmount: (baseAmount - finalAmount)
-          .clamp(0, double.infinity)
-          .toDouble(),
+      discountAmount:
+          (baseAmount - finalAmount).clamp(0, double.infinity).toDouble(),
       finalAmount: finalAmount,
       appliedDiscounts: applicable,
     );